Net Loss per Share - Computation Of Basic And Diluted Net Loss Per Share Attributable To Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss – basic and diluted	$ (42,072)	$ (45,510)	$ (130,574)	$ (114,021)
Denominator:
Weighted-average common shares outstanding - basic	84,948,837	62,962,434	71,213,219	62,588,898
Weighted-average common shares outstanding - diluted	84,948,837	62,962,434	71,213,219	62,588,898
Net loss per share - basic	$ (0.50)	$ (0.72)	$ (1.83)	$ (1.82)
Net loss per share - diluted	$ (0.50)	$ (0.72)	$ (1.83)	$ (1.82)